Improvement in harrow-cultivators



Nisnwrrz, or nnooknrn, New vonk...

impact/smentita HARRow-c-ULTWATORS'.

Specification `'forming part of Letters Patent No. @236ML dated DecemberA7, 1869.

. To all whom t mai/concern:

,Beit-,known that L'Fnnnnniok Nrsnwrrz, of Brooklyn, inthe county ot'Kings and State of NewYork, have invented certain newand usefulImprovements in Harrow-Gultivators,

of -whichtherfollowing is a full, clear, and ex act descriptiomrefereneebeing had to the ac,- companying drawings, which make part of thisspecification, and n whichp Figure 1,-represents av plan or top viewofmy-improved machine; Fig. l?, a side elevation ofthe same; Fig. 3, aplan of4 the-ma. chine as seen from the under side;"}.fig .`4, a-

vertical section `through one of the disks, vat

'the line w a: of Fig. `3; Fig. 5, a'view of the clamping-rod which:holds the axle of thedisk detached, and Figs. 6 and 7, views of ythescraper.'

' My invention pertains to that class of harrow-cultivators in which aseries Aof revolving' e' disks is arrangedin the frame at an angle tothe line of4 draft; and` my improvements comprise 4novel and usefulfeatures. in everypar't of the machine as well as in the combinations ofthe same,`th1s cultivatorbeing the perfected a adaptation of theprinciples upon which I con-l, structed the cultivator for which Ih'avea pending applicatiomled 'J une 12, 1860. I

I constructA the frame of two beams,1A A', arranged at an acute angle toeach-other, and

connected at their forward, ends by a brace,

B. l prefer to make one vbeam longer .than

'A the'other, the longer one overlapping the L shorter lone-at the frontend, Througlrthe I cross-beam B, as well as through the beams. -A A',I.y pass screwsb bl bjb One .of the' 4'screws in the crossbeam B worksin a slot, a,

Fig.l 3, in the side'bearn'4 A, by which means the angleof divergence ofthe beams can be adjustediat pleasure, as the beam swings horizontallyaround the inner screw b1 as a pivot. The-rear ends of the beams A A'.are held the desired distance apart by. means of a crossbeam, B',secured to them by bolts, orby slots and set-screws, so as toaccommodate this beam B' to the .adjustment above described..

On this cross-beam B Iniount a seat, C, for the driver. ,Each ofthebeams A A has a series-of holes' through it, at suitable'distances 'Yapart along its entirellength.

I make a'series of bolts, E, eachhaving on its upperend a screwfthread,fitted. withre-nut.

-line of draft.

The lowerend of the bolt has a hole oreye through it. I further make ahollow column or thimble, Ee', for each bolt, with a flange or ilushbearing on its upper surface, for the beams A' A', and having 1n itsVlower end recesses, as' -bearings for an axle, e, these recesses beingdeeperon the inner thanon the outer side of thethimble, in order to giveanupward inclination to. the e axle. 4Placing this column or thimble.underneath one of the holes through the beams A A' ,'I pass the boltv`E through the beam and through the thimble E. y I now pass one end ofA a stud-axle, e, throughv the hole in the bolt, and iit it` into `thebearings in the `thimble, and screw up the bolt on topof thev beam bymeans of the nut and a washer, thus firmly clamping the thimble betweenthe studaxle andthe under side of the beam, andat the same time,bymea'ns of the unequal depth 'of the bearings in the thimble, tiltingthe freel end o-flthe stud-axle a littlel upward, .takingv care, also,toincline the projecting end of the studfaxle forward at an acute anglewith'the The disk D is -concavo-convex, and vhas a boss or hub, d, whichsecures a long bearing for the disk on the axle e, and which I prefer toclose on the outer or free end, so as to pre- 'ventfdirt from gettingbetween .the axle and v.the hub. l This disk is slipped onto the laxle 6with theconvex side toward its thimble, and 'presents acutting-edge'at-an angle to theline of draft, while'the inclination ofthe 'aX`1e,al ready described, gives the disk an angle to the horizon,insuring a deeper cut, and ,a bette'rl digging and turning resistanceagainst the tendencyofthe disks to riseup, ,than would cloggingby theaccumulation' of earth, I secure, on'the under side of the beams A A',in

ontoileachoi the disks D, a flanged scraper,

disks from being thrown 'or pulled .,otheir'axles, and tol keep'themfrom.

l beams A A', and through a slot in the ange f on the scraper, I canadjust the scraper relatively to the disk.

What I claim as my invention,'and desire to secure by Letters Patent, is

1. The combination, in a harrow-cultivator,

of a revolving disk with a hollowiboss, closed at its inner end,substantially as and for the purposes set forth.

2. The combination, in a barrow-coltivator, of revolving disks,independently adjustable relatively to the line of draft, substantiallyas set forth.

3. The combination, with a barrow-cultivator frame, of av stud-axle, athimble, and -a clamping-bolt, substantially as set forth.

4. The combination, with a barrow-cultiva'- tor frame, of the recessedthimble, the clampin g-bolt, and the stud-axle, as set forth, wherebythe disk is carried at an angle both to the line of draft and to thehorizon.

5. Thecombination, in a barrow-cultivator frame, of a reyolving diskwith a scraper,

which keeps the disk on its axle, substantially as set forth.

v 6. The combination, in a barrow-cultivator, of a loose disk, anadjustable axle, and an adjustable scraper, substantially as set forth.l

7. The combination, in a barrow-cultivator, of revolving disks, arrangedintwo series -or gangs, adjustable toward or from each other,substantially as set forth.

8. The combination, in a harrow-cultivator, ofan adjustable triangularframe, aleading disk at the apex of the triangle, and a series offollowing disks on each side of the triangle, substantially as setforth. l

9. The combination, in a barrow-cultivator, of an adjustable triangularframe, two series of revolving disks, and a seat for the driver,substantially as set forth.

10. The combination, in a harrow-cultivator frame, of a long arm, ashort arm Apivoted to the long arm, and the cross-pieces, admitting ofthe adjustment relatively to the line of draft, substantially as setforth.

In testimony whereof I have hereunto subscribed my name.

F. NISHWITZ.

Witnesses: f

W. GRANDY, HENRY GECKLER.

